1. Department of Internal Medicine Yale School of Medicine New Haven CT USA
2. Department of Cardiovascular Medicine Brigham and Women’s Hospital, Harvard Medical School Boston MA USA
3. Richard and Susan Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School Boston MA USA
4. Department of Medicine, Cook County Health Chicago IL USA
5. Inova Center of Outcomes Research Falls Church VA USA
6. Johns Hopkins University School of Medicine Baltimore MD USA
7. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine New Haven CT USA